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Finding the Fourth Proportional to 148,032.88, 204,290.25 and 80,964.88

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Solution

The fourth proportional to 148,032.88, 204,290.25 and 80,964.88 is: 111,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,032.88 : 204,290.25 = 80,964.88 : x
  2. Step 2: Convert to fraction form
    148,032.88/204,290.25 = 80,964.88/x
  3. Step 3: Cross multiply
    148,032.88x = 204,290.25 × 80,964.88
  4. Step 4: Simplify right side
    148,032.88x = 16,540,335,576.42
  5. Step 5: Solve for x
    x = 16,540,335,576.42/148,032.88
  6. Step 6: Final answer
    x = 111,734.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.